18876656

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{27437}}^1$

素因数の和:27488

約数の個数: 20

約数和(自身を含む): 37425432

約数和(自身を除く): 18548776

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 27437, 54874, 109748, 219496, 438992, 1179791, 2359582, 4719164, 9438328, 18876656]

約数ペア:

[(1, 18876656), (2, 9438328), (4, 4719164), (8, 2359582), (16, 1179791), (43, 438992), (86, 219496), (172, 109748), (344, 54874), (688, 27437)]